108 entries under attentive topic. ×

2
on the qui vive(expression, idiom, keen, sharp, bright)
2
regardful(adjective, alert, careful, caring, thoughtful)
2
sleepless(keen, alert, careful, watchful)
2
spirited(adjective, sharp, bright, lively, alert)
2
unsleeping(adjective, keen, alert, careful, cautious)
2
with it(expression, adjective, adverb, sharp, lively)
1
alive to(expression, adjective, careful, knowledgeable, cautious)
1
apprehensive(adjective, alert, careful, cautious, aware)
1
au courant(expression, familiar, careful, aware)
1
be up on(adjective, careful, knowledgeable, cautious, aware)
1
cautious(adjective, keen, alert, careful, aware)
1
chary(adjective, alert, careful, cautious, aware)
1
cognizant(familiar, careful, knowledgeable, aware, informed)
1
comprehending(alert, intelligent, watchful, sharp-eyed)
1
conscientious(adjective, careful, caring, thoughtful, knowledgeable)
1
considering(alert, intelligent, watchful, sharp-eyed)
1
contemplating(alert, intelligent, watchful, sharp-eyed)
1
conversant(familiar, careful, knowledgeable, aware, informed)
1
deducing(alert, intelligent, watchful, sharp-eyed)
1
detecting(alert, intelligent, watchful, sharp-eyed)
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APASmart Define. (2015). on the ball thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on_the_ball/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the ball thesaurus" https://smartdefine.org/on_the_ball/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>